Supreme Court Is Asked to Delay Census Ruling

WASHINGTON—Immigrant-rights groups asked the Supreme Court on Wednesday to postpone ruling on their legal challenge to the addition of a citizenship question to the 2020 census until allegations that the query was intended to bolster Republican political advantages can be heard by a lower court. The administration has said it added the citizenship question to improve enforcement of the Voting Rights Act of 1965, enacted to protect minority voters from discrimination. …